From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-x22e.google.com (mail-we0-x22e.google.com [IPv6:2a00:1450:400c:c03::22e]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id C0DC121F1A9 for ; Thu, 16 Jan 2014 11:08:47 -0800 (PST) Received: by mail-we0-f174.google.com with SMTP id x55so3564425wes.5 for ; Thu, 16 Jan 2014 11:08:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=references:mime-version:in-reply-to:content-type :content-transfer-encoding:message-id:cc:from:subject:date:to; bh=5FacoH6EmDSF+tdgrYQ3/6TAClajQTvYrmdOxGYZgwI=; b=Yw+kfGPl2cWhK481ataqwko8WRnvKVl6U6nnsxgBktNdTM2HhNw/A5ZBIoF4QAmntQ z97yBGyJTLOLryiAHjaD0KIxW+ZBv2L8MBi7jcP0y6GFcSu3cEonPNElEVMGNP8fMIO5 NAJqj4Vl8qo0Nt55kwsvjvIJGN/CF1ffRq02SFBwlTa1riZXmtbD5nNvsYYIG0GXIBes DwlrRrE0R1jZ0RzyWzszxYNDXB+4trLXGPyD4tu6CkZ8KXlnPGnTwNmtfheFRS2dV2gc E7+Nw++kVzyqb4sBqPJ9xe7FPlWs/bx4njIi1pojTzjEpeivMK8OGjI6A8cr7c+M779Z /Tjw== X-Received: by 10.180.75.115 with SMTP id b19mr9687220wiw.19.1389899325432; Thu, 16 Jan 2014 11:08:45 -0800 (PST) Received: from [172.30.42.84] (gut75-7-78-225-42-24.fbx.proxad.net. [78.225.42.24]) by mx.google.com with ESMTPSA id e5sm7118784wja.15.2014.01.16.11.08.43 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 16 Jan 2014 11:08:43 -0800 (PST) References: <957858c7-f436-47ec-a55f-d46c6441212a@email.android.com> Mime-Version: 1.0 (1.0) In-Reply-To: <957858c7-f436-47ec-a55f-d46c6441212a@email.android.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Message-Id: X-Mailer: iPhone Mail (10B329) From: Aaron Wood Date: Thu, 16 Jan 2014 20:08:41 +0100 To: Sebastian Moeller Cc: cerowrt-devel Subject: Re: [Cerowrt-devel] Managed to break 802.11n (on a 3800) X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Jan 2014 19:08:48 -0000 >> Sebastian, after sorting out the router, it's still biased, but far >> less >> so, about a 2:1 ratio between upload and download. >=20 > So I See offen 10:1 and worse @165Mbit/s raw wireless rate I get mixed results, but they aren't good. IIRC, apple really changed somet= hing about the media access in 10.8, I'll look into that. And see if my wif= e will let me install netperf on her laptop (I think it's still running 10.7= ) >> Also, my understanding was that with rts/cts, the router was in control >> of >> that aspect of things? =20 >=20 > That is what I thought AS well, but it is not what I See with osx 10.= 8. >=20 It may be a case of the station aggressively asking to send, and the AP gran= ting instead of sending data to the station that's waiting. It should be clear in a monitor-mode tcpdump (or a statistical summary of pa= ckets). --Aaron=